Albert Lleal / Leafcutter Ant (Trachymyrmex sp) in tropical rainforest carrying leaf, Sierra Nevada National Park, Venezuela

Mark Moffett / Leafcutter Ant (Trachymyrmex sp) carrying leaf

Piotr Naskrecki / Ant (Trachymyrmex opulentus) worker on a fungal garden inside the nest, Guyana

Piotr Naskrecki / Leafcutter Ant (Trachymyrmex sp) showing fungal mycelium of the fungal garden these insects maintain and feed with leaves, Guyana

Mark Moffett / Leafcutter Ant (Trachymyrmex sp) queen and workers in nest chamber, about 10 centimeters wide, French Guiana

Mark Moffett / Leafcutter Ant (Trachymyrmex sp) nest chamber, about 10cm wide, contains two fungus gardens hanging like fragile stalactites, French Guiana

Mark Moffett / Leafcutter Ant (Trachymyrmex sp) queen and workers in nest chamber, about ten centimeters wide, French Guiana